What’s Vulnerable › Vulnerabilities

CVE-2021-45341

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-25 · updated 2026-06-17
• Weakness: CWE-120

Description

A buffer overflow vulnerability in CDataMoji of the jwwlib component of LibreCAD 2.2.0-rc3 and older allows an attacker to achieve Remote Code Execution using a crafted JWW document.

Affected products

• Debian Linux: 10.0, 11.0
• Fedoraproject Fedora: 34, 35
• LibreCAD: before 2.2.0; 2.2.0-rc1, 2.2.0-rc2, 2.2.0-rc3 — fixed in 2.2.0

How to fix

Upgrade to a fixed version: LibreCAD 2.2.0. Check the vendor advisory for mitigations.

References

• https://github.com/LibreCAD/LibreCAD/issues/1462
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCC2FZ6HZOIK3775K4MTCOUHX6PLGPEL/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUMH3CWGVSMR2UIZEA35Q5UB7PDVVVYS/
• https://security.gentoo.org/glsa/202305-26
• https://www.debian.org/security/2022/dsa-5077
• https://github.com/LibreCAD/LibreCAD/issues/1462
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCC2FZ6HZOIK3775K4MTCOUHX6PLGPEL/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUMH3CWGVSMR2UIZEA35Q5UB7PDVVVYS/
• https://security.gentoo.org/glsa/202305-26
• https://www.debian.org/security/2022/dsa-5077

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